Injection device

a technology of injection device and monitoring circuit, which is applied in the direction of infusion needles, apparatus for force/torque/work measurement, drugs and medications, etc., can solve the problems of ensuring patient adherence to prescribed medication regimes, and achieve the effect of facilitating the deployment of more sophisticated analysis in processing circuitry, reducing the difficulty of implementing machine learning models, and improving accuracy

Active Publication Date: 2020-03-26
NORTON HEALTHCARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0036]Dividing up the analysis window into discrete time intervals and independently determining statistical parameters for sub-windows simplifies implementation of the machine learning model, making the algorithm more efficient and making it easier to deploy more sophisticated analysis in processing circuitry in the plunger rod. This may improve the level of and accuracy of feedback available to the user in real-time on appropriate injection technique.

Problems solved by technology

However, ensuring patient adherence to prescribed medication regimes is often a challenge for medicaments that are self-administered.

Method used

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Embodiment Construction

[0060]In the present disclosure, the following terms may be understood in view of the below explanations:

[0061]The term “injection device” may refer to a device intended for the injection of a medicament to the body and includes devices configured for various delivery methods, such as intradermal, subcutaneous, intramuscular, intravenous, intraosseous, intraperitoneal, intrathecal, epidural, intracardiac, intraarticular, intracavernous, and intravitreal, which may include via a cannula, catheter or similar device. The term includes syringes of all types, devices that contain said syringes such as auto-injectors, pen-injectors, patch injectors and other similar devices.

[0062]The term “user” may refer to a medical practitioner, end user or other user associated therewith.

[0063]The terms “coupled” or “coupling” may refer to any connection between components (not necessarily a direct connection; there may be intermediate components therebetween i.e. an indirect connection) that enables ...

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Abstract

Injection monitoring circuitry is provided for coupling to part of an injection device having a syringe and a plunger rod. The injection monitoring circuitry has an input to receive force measurement data from a force sensor, the force measurement data includes a plurality of timestamped force measurements of force applied by a user to the injection device when an injection is administered to an injection site. Processing circuitry is provided to determine from the force measurement data when an end of injection has been reached, the end of injection corresponding to the plunger rod having reached an end position in a distal portion of the barrel of the syringe during administration of the injection by the user. Machine readable instructions and an injection monitoring method are also provided.

Description

BACKGROUND OF THE INVENTIONField of the Invention[0001]This disclosure relates to the field of injection devices for delivering medicament, in particular to injection monitoring circuitry for injection devices, which may be installed for example, in a plunger rods for an injection device such as prefilled syringes.Description of the Related Art[0002]Effective medical treatment often relies upon patient adherence to a particular dosage regime prescribed by a healthcare provider, the regime involving taking a complete dose at a specified frequency for a specified duration of time. However, ensuring patient adherence to prescribed medication regimes is often a challenge for medicaments that are self-administered. Injection devices such as prefilled syringes are widely used to supply patients with medicaments for self-administration. Prefilled syringes are also often used in clinical trials because of their simplicity relative to autoinjectors.[0003]Reliable automated gathering of data ...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A61M5/315A61M5/32
CPCA61M2205/582A61M5/3202A61M2205/3317A61M5/31505A61M2205/8206A61M2205/587G16H20/17A61M2205/3576A61M5/5013A61M5/3158A61M5/3157A61M2005/3126A61M5/3205A61M2205/581A61M2205/332G01L5/0028
Inventor O'ROURKE, DOUGLAS JAMESSANDERS, ALANCORRIGAN, JOSEPH PETERRILEY, JAMES JOSEPHCLARKE, CHRISTOPHER JOHN
Owner NORTON HEALTHCARE
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